Across
- 3. living in a state of nature and not ordinarily tame or domesticated (GasGas)
- 4. a celestial source of pulsating electromagnetic radiation (Bajaj)
- 5. a racecourse for automobiles or motorcycles (Excelsior)
- 7. a person who travels in search of geographical or scientific information (OSSA)
- 9. a general fact, rule, or principle expressed in usually mathematical symbols (Laverda)
- 11. a violent destructive whirling wind (Benelli)
- 14. a member of a group of American Indian peoples of the southwestern U.S. (TVS)
- 15. a 3-pronged spear (Triumph)
- 16. a public competition (Kawasaki)
- 18. a way, technique, or process of or for doing something (Arch)
- 19. a soldier or airman who operates or aims a gun
- 20. a commune southeast of Milan in the region of Lombardy in northern Italy (MV Agusta)
Down
- 1. A violent storm (AJS)
- 2. a period of 1000 years (Jawa)
- 4. any of the large bodies that revolve around the sun in the solar system (Cagiva)
- 6. of, relating to, characteristic of, or constituting a city (Sherco)
- 8. a similar device used as an incendiary weapon or as a propelling unit (BSA)
- 10. the operator or pilot of an aircraft and especially an airplane
- 12. a rapacious or predatory person (Mondial)
- 13. a female spirit in Gaelic folklore whose appearance or wailing warns a family that one of them will soon die (Yamaha)
- 17. a fire-breathing she-monster in Greek mythology having a lion's head, a goat's body, and a serpent's tail (Aermacchi)